Mitsubishi Electric PUHZ-W50VHA Technical Manual page 64

2.5.2 EXTERNAL INPUT ( analog signal ) 4-20mA / 1-5V / 0-10V
Connect the transmission cables to No. 3 and 4 on the terminal block (TB62).
No. 3 on the terminal block(TB62) : Plus side
No. 4 on the terminal block(TB62) : Minus side (Reference side)
Switch setting
Input Outdoor unit
4-20mA SPLIT type
PACKAGED type
1-5V SPLIT type
PACKAGED type
0-10V SPLIT type
PACKAGED type
4-20mA / 1-5V / 0-10V setting
FLOW TEMP.
No.2 Temp.
No.1 Temp.
Stop
4-20mA
0mA -- 4mA --------------- 20mA
1-5V 0V -------1V------------------- 5V
0-10V 0V ------------------10V
Refer to the section 8 for details about No1, 2 Temp.
The selectable set temperature range depends on SW1-7, 8.
Caution:
The external input signals are separated by basic insulation from power supply for the unit.
The external input signals should be separated by supplementary insulation from where user may touch in case that
it is installed where user may touch.
Connect the terminals by using the ring terminals and also insulate the cables of adjoining terminals when wiring to
terminal block.
2.6. Connecting external output (Photo. 2-6)
TB141 Item
1-2 (OUT1) X1 Operation Output
3-4 (OUT2) X2 Error Output
5-6 (OUT3) X3 Comp. Output
7-8 (OUT4) X4 Defrost Output
9-10 (OUT5) X5 Mode(Cooling) Output
11-12 (OUT6) X6 Mode(Heating/HeatingECO/Hot Water/
Anti-Freeze) Output
13-14 (OUT7) X7 —
Note :
External output signals are separated by basic insulation from other circuit of interface.
Caution :
When 2 or more external outputs are used, the power supply on the output side should
be the same.
SW1-1 SW1-2 SW1-5 SW1-6 SW6-1 SW6-2
OFF ON OFF
OFF ON ON
OFF ON OFF
OFF ON ON
ON ON OFF
ON ON ON
ANALOG
SIGNAL
OFF ON ON
OFF ON ON
OFF OFF ON
OFF OFF ON
OFF OFF OFF
OFF OFF OFF
TB141
OFF ON
OFF ON
Normal Error
OFF ON
OFF ON
OFF ON
OFF ON
— —
64
At site
(
4-20mA/1-5V/0-10V
Wired remote controller (
Photo.2-6
X1 X2 X3 X4 X5 X6
FTC
1 2 3 4 5 6 7 8 9 10 11 12
At site
TB141
2 4 6 8 10
1 3 5 7 9 11
FTC
1
2
3 +
4
5
6
TB62
X7
TB141
13 14
12 14
13